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Kotlin for Beginners

Kotlin fundamentals for mobile, game, and web development

Level: Beginner, Junior Engineers

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Course by

This course includes:

5 Hours

English Subtitles

Certification Upon Completion

Lifetime Course Access

Access to Discord group


The tech stack you will in this course

kotlin logokotlin
intellij logointellij

What you'll learn

Syntax & Variables

Control Structures


Object-Oriented Principles

Data Structure

Error Handling

Advanced Class Usage

String Manipulation

Welcome to Amigoscode's Kotlin free crash-course! this course includes everything you need to gain the fundamental skills for Kotlin. Whether you're new to programming or have some experience in other languages, this course will guide you through the essential concepts and skills needed to start building applications with Kotlin.

  • Short and Concise: You can learn the fundamentals all in just 5 hours!
  • Job Opportunities: Kotlin Developers are wanted in the mobile development, game development and web development industry
  • Beginner-Friendly Approach: Designed specifically for beginners, ensuring that learners can grasp the fundamentals of Kotlin without feeling overwhelmed
  • New Programming Language: Adding a new language to your Tech-Stack makes you a stronger candidate
  • Headstart: Completing this course is the best way to prepare for Amigoscode Kotlin Full-Stack Course!

Who is the course for?

Whether you are a Bootcamp/University student, a Professional specialising in other languages, a self-taught Programmer or a person who never wrote a line of code before, Kotlin for Beginners has been designed to teach you all the basics in order to become a Kotlin Developer or add Kotlin to your Tech Stack

If you have no experience with Kotlin or programming, the software engineering world might feel a little intimidating. You have done the difficult part by finding the course that will kick-start your Software Engineering career or your journey in learning a new language. In Kotlin for Beginners I have left no room for confusion - right from the very beginning.

Already have some Java experience? Great! You are already one step ahead from everyone else. Have a look through the curriculum and begin wherever you feel comfortable. Even if some concepts may sound familiar, take advantage of the expert insight.

Why Learn Kotlin?

Multinational companies such as Meta, Netflix, Amazon, Uber, TwitterPinterest have all switched to Kotl

Intellij Bonus
  • Officially Supported by Google: Kotlin is he preferred language for Android app development, officially supported by Google. It provides improved developer productivity, and helps in building robust and high-performance Android applications
  • Null Safety: The null safety advantage of Kotlin is a significant improvement over other programming languages, particularly Java. Kotlin's null safety feature helps to prevent null pointer exceptions (NPEs), which are a common source of bugs and crashes in software
  • Versatility: Kotlin is a versatile language that can be used for a wide range of applications, from Android app development to server-side programming and web development.
  • Interoperability: Kotlin is interoperable with Java which allows developers to seamlessly integrate Kotlin code with existing Java projects
  • Simplicity and Readability: Kotlin's clean syntax makes it easier for beginners to learn and understand. It reduces boilerplate code, making development faster and more efficient
Advantages of Kotlin

As a result, Kotlin dominates the Android world and is used across web, mobile and enterprise industries: from large-scale applications involving millions of lines to a few hundred-lines projects.

It’s no surprise that Kotlin has had a huge increase in the job market, with salaries varying from $60,000 to $140,000.

Salary of Kotlin Developers

Imagine if you had the skills and learn the language that allows you to build application systems that could impact millions of users, It would supercharge your career prospects!

5 Reasons Why This Kotlin Course Will Be Right For You:

  1. Beginner-Friendly Approach: This Kotlin course is designed specifically for beginners and any other developers who are learning a new programming language, providing a gentle and accessible introduction to the language.
  2. Enhanced Employability: Kotlin is in high demand, especially for Android development positions. By completing this course and gaining proficiency in Kotlin, learners increase their employability and open doors to job opportunities in the thriving mobile app development industry.
  3. Expanded Skill Set: Adding Kotlin to one's skill set expands the range of projects and technologies that learners can work on. With the ability to develop in Kotlin, learners can contribute to Android apps, backend development, web applications, and other software projects, making them more versatile and valuable to employers
  4. Competitive Advantage: Given Kotlin's rising popularity, having Kotlin expertise provides a competitive advantage in the job market. Employers are often looking for candidates who can bring modern development skills to the table
  5. Seamless Transition from Java: Kotlin is fully interoperable with Java, making it easier for Java developers to transition to Kotlin, staying up to date with modern development
Java to Kotlin graphic

Course Curriculum

This course has 10 sections including exercises


1 - Course Under Development


2 - IntelliJ

3 - Newsletter


Git Repository

Source Code

Getting Started

1 - Intro


2 - Kotlin Playground


3 - Toolbox

4 - Create Kotlin Project


5 - IntelliJ New UI

6 - IDE Overview

The Basics Of Kotlin

1 - The Main Function

2 - Reserved Keywords

3 - Comments

4 - Println and Print

5 - Variables

6 - Datatypes

7 - Any

8 - Type Inference

9 - Val vs Var

10 - Const Keyword

11 - Null Safety

12 - Strings

13 - String Templates

14 - Multiline Strings

15 - String Comparison

16 - Heap and String Pool Memory (String Comparison)

17 - Arithmetic Operators

18 - Math

19 - ++ and -- Operators

20 - Plus Operator

21 - Convert from one data type to another



1 - Booleans

2 - Naming Booleans

3 - Logical Operators

4 - Comparison Operators

5 - If Else Statement

6 - Else

7 - Else If

8 - If Expression

9 - Ifs Like Ternary In Java

10 - When Expression

11 - More on When Expression

12 - When booleans are null


Arrays and Lists

1 - Intro

2 - Arrays

3 - Arrays Part 2

4 - Lists

5 - Mutable Lists

6 - Destructuring

7 - Never Mix Types



1 - For Loop

2 - Indices

3 - Range DownTo and Step

4 - Loop Through Strings

5 - forEach

6 - While loop

7 - DoWhile

8 - Break and Continue



1 - Intro

2 - Your First Function

3 - Parameters and Arguments

4 - Named Arguments

5 - Default Arguments

6 - Functions as Arguments

7 - Return

8 - Return value from functions

9 - Single Expression Functions

10 - Function Return Type Rule

11 - Return Multiple Values From Functions


Classes and Objects

1 - Classes and Objects Overview

2 - Defining Properties

3 - Getters and Setters

4 - Behaviours (Functions)

5 - Constructors

6 - Multiple Constructors

7 - ToString

8 - Equality with == and ===



1 - Next Steps

2 - Submit Your Suggestions

3 - Professional Java and Full Stack Bundle

4 - Java For Beginners

5 - Full Stack Professional

Questions & Answers

What makes Amigoscode programming courses different from others?

Amigoscode offers unique, practical, and industry-relevant programming courses taught by experienced instructors. We focus on real-world applications, giving you the skills you need to excel in your career.

Can I purchase your courses through my company's training budget?

Yes, many of our students purchase our courses through their company's training budget. Our courses are considered a valuable investment in employee skill development, and they can be expensed as part of your company's training and development initiatives.

How can Amigoscode courses help me advance my programming career?

Our courses are designed to bridge the gap between theory and practice. You'll gain hands-on experience, work on real projects, and build a portfolio that will impress employers and clients, opening up new opportunities for career growth.

Do you offer any certifications upon course completion?

Yes, we provide certificates of completion for all our courses. These certificates are recognized in the industry, and they can help you showcase your skills to potential employers or clients.

Can I access the course material at my own pace?

Absolutely! Amigoscode courses are self-paced, allowing you to learn at a speed that suits your schedule. You can revisit the material whenever you need, and you have lifetime access to the course content.

Do I need prior programming experience to enroll in your courses?

No, our courses are designed to accommodate all levels of learners. Whether you're a beginner looking to start your programming journey or an experienced developer wanting to enhance your skills, we have courses suitable for you.

What kind of support do I get during the course?

We provide extensive support to our students through discord. You'll have access to a community of learners and can ask questions, share your progress, and collaborate with fellow students. In addition, our instructors are available to help with any challenges you encounter during the course.

What is your refund policy?

We offer a 15-day refund policy. If you're not satisfied with your course within the first 15 days after purchase, we will provide a full refund, no questions asked. Your satisfaction is our priority.

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Kotlin for Beginners

Engage in a dynamic and interactive learning experience as you complete exercises and projects.